Cobalt
#0F37A3
BlueColor Codes
All color formats for development
HEX
#0F37A3RGB
rgb(15, 55, 163)HSL
hsl(224, 83%, 35%)OKLCH
oklch(0.391 0.179 264)CMYK
cmyk(91%, 66%, 0%, 36%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#0E3193
2#0C2C83
3#0B2672
4#092162
5#081B52
6#061641
7#051031
8#030B21
9#020510
Tints
Lighter variations
1#1241C2
2#154BE0
3#2B5EEB
4#4975EE
5#678CF1
6#86A3F4
7#A4BAF7
8#C2D1F9
9#E1E8FC
Tones
Muted variations
1#173A9C
2#1E3E95
3#25418D
4#2D4586
5#34487E
6#3C4B77
7#434F6F
8#4A5268
9#525661
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F1F4 #F1F4FE | BackgroundsSubtle highlightsCard backgrounds |
| 100 | DEE6 #DEE6FC | Light backgroundsTable row hoverSkeleton loading |
| 200 | C2D1 #C2D1F9 | Secondary backgroundsInput backgroundsDividers |
| 300 | 94AE #94AEF5 | BordersInactive statesPlaceholder text |
| 400 | 5C83 #5C83F0 | Disabled statesSecondary iconsMuted text |
| 500 | 2D60 #2D60EB | Primary brand colorCTAsActive elementsLinks |
| 600 | 1345 #1345CD | Hover statesFocus ringsPrimary buttons hover |
| 700 | 0F37 #0F37A3 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0B27 #0B2775 | Text on light backgroundsHeadingsStrong borders |
| 900 | 0719 #07194B | Primary textHigh emphasis contentDark headings |
| 950 | 0410 #04102F | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F1F4FE;
--cobalt-100: #DEE6FC;
--cobalt-200: #C2D1F9;
--cobalt-300: #94AEF5;
--cobalt-400: #5C83F0;
--cobalt-500: #2D60EB;
--cobalt-600: #1345CD;
--cobalt-700: #0F37A3;
--cobalt-800: #0B2775;
--cobalt-900: #07194B;
--cobalt-950: #04102F;
}